/*
 * Copyright 2020 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package example;

import reactor.core.publisher.Mono;

import org.springframework.security.core.context.ReactiveSecurityContextHolder;
import org.springframework.security.core.context.SecurityContext;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;

/**
 * Says hello to the current user.
 *
 * @author Alexey Nesterov
 * @since 5.2
 */
@RestController
public class MeController {

	@GetMapping("/me")
	public Mono<String> me() {
		return ReactiveSecurityContextHolder.getContext()
			.map(SecurityContext::getAuthentication)
			.map((authentication) -> "Hello, " + authentication.getName());
	}

}
